3 years ago

How many odd numbers are greater than 30 and less that 40?

Mathematics

2 answers:

maria [59]3 years ago

8 0

Answer:

31 33 35 37 39

Step-by-step explanation:

Black_prince [1.1K]3 years ago

4 0

Answer:

Step-by-step explanation:

31,33,35,37,39

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I need help on number30) <br>-9a=-27

kvasek [131]

A= 3 Why?

Hope this help you boo

7 0

3 years ago

Simplify the expression given below. x+2/4x^2+5x+1 * 4x+1/x^2-4

GenaCL600 [577]

Answer:

$\frac{1}{(x+1)(x-2)}$

Step-by-step explanation:

$\frac{x+2}{4x^2 + 5x + 1} \ \times \ \frac{4x+1}{x^2-4}\\\\=\frac{x+2}{4x^2 + 4x + x + 1} \ \times \ \frac{4x+1}{x^2-2^2}\\\\=\frac{x+2}{4x(x + 1) + 1( x + 1)} \ \times \ \frac{4x+1}{(x - 2)(x + 2)} \ \ \ \ \ \ \ \ [ \ (a^2 - b^2 = (a-b)(a+b) \ ]\\\\\\=\frac{x+2}{(4x + 1)(x+1)} \ \times \ \frac{4x+1}{(x-2)(x+2)}\\\\=\frac{1}{(x+1)} \ \times \ \frac{1}{(x-2)}\\\\= \frac{1}{(x+1)(x-2)}$